Hello! Last month we had an idea with friends and went to play airsoft after like.. 12 years? Had fun and I decided to approach my childhood DMR perversions. Back then, as 11-14 year old kid, I never had opportunity to assemble custom AEG. I did research and opened gearboxes and stuff but never...

I figured this was the most appropriate place to post this, move it if I was wrong. To the point. I recently bought a 10,5'' outer barrel for my Specna Arms M4 but for the life of me, can't get the quad rail at the front undone. :shrug: After searching the internets for hours, I still have no...